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NAME :

 ProLogue Six

PRODUCT IMAGE :

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MANUFACTURER :

PrimaLuna

SPECIFICATIONS :

Power: 70 Watts per channel Frequency-response: 20Hz – 85kHz +/- 1dB at rated power; 11Hz – 120kHz –3dB @ 1W THD:

MANUAL:

BROCHURE:

BRIEF DESCRIPTION :

The ProLogue Six shares much of its basic circuitry with the ProLogue Four stereo power amp. The novel phase-splitter and driver stage implementation have been adapted for monaural functionality in linearity, distortion, and power delivery. We accomplish this by using an industry-unique dual-feedback topology: Cross-coupled current feedback for superior impulse behaviour and gain stability at any level. We use very small amounts of negative feedback for a more precise gain setting, lower distortion, and lower output impedance. This feedback technology effectively cancels the byproducts of negative feedback, thus creating an amplifier circuit that gives you all the benefits of properly implemented feedback, but without the drawbacks. Newly designed PrimaLuna wide-band low-loss output transformers designed to handle more difficult speaker loads. A 2 Ohm tap is included in addition to the 4 Ohm & 8 Ohm taps. As with all PrimaLuna amplifiers, the ProLogue Six comes standard with Adaptive AutoBias, fuse protection, and soft-start circuitry for extended tube life. 70W mono power amplifier Tubes: 2 x 12AX7, 2 x 12AU7 and 4 x EL-34 Input: RCA single-ended Outputs: 2, 4 and 8 Ohm

DESCRIPTION :


The ProLogue Six shares much of its basic circuitry with the ProLogue Four stereo power amp. The novel phase-splitter and driver stage implementation have been adapted for monaural functionality in linearity, distortion, and power delivery. We accomplish this by using an industry-unique dual-feedback topology: Cross-coupled current feedback for superior impulse behaviour and gain stability at any level. We use very small amounts of negative feedback for a more precise gain setting, lower distortion, and lower output impedance. This feedback technology effectively cancels the byproducts of negative feedback, thus creating an amplifier circuit that gives you all the benefits of properly implemented feedback, but without the drawbacks. Newly designed PrimaLuna wide-band low-loss output transformers designed to handle more difficult speaker loads. A 2 Ohm tap is included in addition to the 4 Ohm & 8 Ohm taps. As with all PrimaLuna amplifiers, the ProLogue Six comes standard with Adaptive AutoBias, fuse protection, and soft-start circuitry for extended tube life. 70W mono power amplifier Tubes: 2 x 12AX7, 2 x 12AU7 and 4 x EL-34 Input: RCA single-ended Outputs: 2, 4 and 8 Ohm


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